The assessment is "likely_true" based on strong corroboration of the core event from multiple high-authority sources. Several credible sources, including The Block, Finviz (citing CoinDesk), and Bitcoin Magazine, confirm that a record-setting Bitcoin options expiry event took place on December 26. The specific value of "$23.6 billion" is directly supported by one source (a Coinpedia article aggregated on TradingView). However, a conflict exists regarding the exact dollar amount. More authoritative sources like The Block and CoinDesk report a higher figure, around $28 billion to $28.5 billion. This discrepancy is the primary reason the truth probability is not 1.0. Such variations in reporting large, fluctuating notional values of financial derivatives are not uncommon and can be due to different calculation times or methodologies. Despite the conflicting values, the fundamental claim—that a record-breaking options expiry of a massive, multi-billion dollar scale occurred on that specific date—is verifiably true. Since a source exists that uses the precise "$23.6 billion" figure, the statement is not fabricated and accurately captures the essence of a real market event.